package com.ldk.util;

import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.FileWriter;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.util.ArrayList;
import java.util.List;

public class FileOpt {
	public FileOpt() {
	}

	/**
	 * 新建目录
	 * 
	 * @param folderPath
	 *            String 如 c:/fqf
	 * @return boolean
	 */
	public static void newFolder(String folderPath) {
		try {
			String filePath = folderPath;
			filePath = filePath.toString();
			java.io.File myFilePath = new java.io.File(filePath);
			if (!myFilePath.exists()) {
				myFilePath.mkdir();
			}
		} catch (Exception e) {
			System.out.println("新建目录操作出错");
			e.printStackTrace();
		}
	}

	/**
	 * 新建文件
	 * 
	 * @param filePathAndName
	 *            String 文件路径及名称 如c:/fqf.txt
	 * @param fileContent
	 *            String 文件内容
	 * @return boolean
	 */
	public static void newFile(String filePathAndName, String fileContent) {

		try {
			String filePath = filePathAndName;
			filePath = filePath.toString(); // 取的路径及文件名
			File myFilePath = new File(filePath);
			/** 如果文件不存在就建一个新文件 */
			if (!myFilePath.exists()) {
				myFilePath.createNewFile();
			}
			FileWriter resultFile = new FileWriter(myFilePath); // 用来写入字符文件的便捷类,
																// 在给出 File
																// 对象的情况下构造一个
																// FileWriter 对象
			PrintWriter myFile = new PrintWriter(resultFile); // 向文本输出流打印对象的格式化表示形式,使用指定文件创建不具有自动行刷新的新
																// PrintWriter。
			String strContent = fileContent;
			myFile.println(strContent);
			resultFile.close();

		} catch (Exception e) {
			System.out.println("新建文件操作出错");
			e.printStackTrace();

		}

	}

	/**
	 * 删除文件
	 * 
	 * @param filePathAndName
	 *            String 文件路径及名称 如c:/fqf.txt
	 * @param fileContent
	 *            String
	 * @return boolean
	 */
	public static void delFile(String filePathAndName) {
		try {
			java.io.File myDelFile = new java.io.File(filePathAndName);
			boolean result=myDelFile.delete();
	        if (!result) {
	            System.gc();    //回收资源
	            myDelFile.delete();
	        }
		} catch (Exception e) {
			System.out.println("删除文件操作出错");
			e.printStackTrace();

		}

	}

	/**
	 * 删除文件夹
	 * 
	 * @param filePathAndName
	 *            String 文件夹路径及名称 如c:/fqf
	 * @param fileContent
	 *            String
	 * @return boolean
	 */
	public static void delFolder(String folderPath) {
		try {
			delAllFile(folderPath); // 删除完里面所有内容
			String filePath = folderPath;
			filePath = filePath.toString();
			java.io.File myFilePath = new java.io.File(filePath);
			myFilePath.delete(); // 删除空文件夹

		} catch (Exception e) {
			System.out.println("删除文件夹操作出错");
			e.printStackTrace();

		}

	}

	/**
	 * 删除文件夹里面的所有文件
	 * 
	 * @param path
	 *            String 文件夹路径 如 c:/fqf
	 */
	public static void delAllFile(String path) {
		File file = new File(path);
		if (!file.exists()) {
			return;
		}
		if (!file.isDirectory()) {
			return;
		}
		String[] tempList = file.list();
		File temp = null;
		for (int i = 0; i < tempList.length; i++) {
			if (path.endsWith(File.separator)) {
				temp = new File(path + tempList[i]);
			} else {
				temp = new File(path + File.separator + tempList[i]);
			}
			if (temp.isFile()) {
				temp.delete();
			}
			if (temp.isDirectory()) {
				delAllFile(path + "/" + tempList[i]);// 先删除文件夹里面的文件
				delFolder(path + "/" + tempList[i]);// 再删除空文件夹
			}
		}
	}

	/**
	 * 复制单个文件
	 * 
	 * @param oldPath
	 *            String 原文件路径 如：c:/fqf.txt
	 * @param newPath
	 *            String 复制后路径 如：f:/fqf.txt
	 * @return boolean
	 */
	public static void copyFile(String oldPath, String newPath) {
		try {
			// int bytesum = 0;
			int byteread = 0;
			File oldfile = new File(oldPath);
			File newfile = new File(newPath);
			File newfileParent = newfile.getParentFile();
			if(!newfileParent.exists()){
				newfileParent.mkdirs();
			}
			newfile.createNewFile();
			if (oldfile.exists()) { // 文件存在时
				InputStream inStream = new FileInputStream(oldPath); // 读入原文件
				FileOutputStream fs = new FileOutputStream(newPath);
				byte[] buffer = new byte[1444];
				// int length;
				while ((byteread = inStream.read(buffer)) != -1) {
					// bytesum += byteread; //字节数 文件大小
					// System.out.println(bytesum);
					fs.write(buffer, 0, byteread);
				}
				fs.flush();
				fs.close();
				inStream.close();
			}
		} catch (Exception e) {
			System.out.println("复制单个文件操作出错");
			e.printStackTrace();
		}

	}

	/**
	 * 复制整个文件夹内容
	 * 
	 * @param oldPath
	 *            String 原文件路径 如：c:/fqf
	 * @param newPath
	 *            String 复制后路径 如：f:/fqf/ff
	 * @return boolean
	 */
	public static void copyFolder(String oldPath, String newPath) {

		try {
			(new File(newPath)).mkdirs(); // 如果文件夹不存在 则建立新文件夹
			File a = new File(oldPath);
			String[] file = a.list();
			File temp = null;
			for (int i = 0; i < file.length; i++) {
				if (oldPath.endsWith(File.separator)) {
					temp = new File(oldPath + file[i]);
				} else {
					temp = new File(oldPath + File.separator + file[i]);
				}

				if (temp.isFile()) {
					FileInputStream input = new FileInputStream(temp);
					FileOutputStream output = new FileOutputStream(newPath + "/" + (temp.getName()).toString());
					byte[] b = new byte[1024 * 5];
					int len;
					while ((len = input.read(b)) != -1) {
						output.write(b, 0, len);
					}
					output.flush();
					output.close();
					input.close();
				}
				if (temp.isDirectory()) {// 如果是子文件夹
					copyFolder(oldPath + "/" + file[i], newPath + "/" + file[i]);
				}
			}
		} catch (Exception e) {
			System.out.println("复制整个文件夹内容操作出错");
			e.printStackTrace();

		}

	}

	/**
	 * 移动文件到指定目录
	 * 
	 * @param oldPath
	 *            String 如：c:/fqf.txt
	 * @param newPath
	 *            String 如：d:/fqf.txt
	 */
	public static void moveFile(String oldPath, String newPath) {
		copyFile(oldPath, newPath);
		delFile(oldPath);
	}

	/**
	 * 移动文件到指定目录
	 * 
	 * @param oldPath
	 *            String 如：c:/fqf.txt
	 * @param newPath
	 *            String 如：d:/fqf.txt
	 */
	public static void moveFolder(String oldPath, String newPath) {
		copyFolder(oldPath, newPath);
		delFolder(oldPath);

	}

	public static void main(String[] args) {
		List<String> ss = getAllFile("D:\\myeclipseWork\\charge_brrl3\\WebRoot");
		for(int i = 0;i<100;i++){
			System.out.println(ss.get(i));
		}
	}

	// 拷贝文件
	private void copyFile2(String source, String dest) {
		try {
			File in = new File(source);
			File out = new File(dest);
			FileInputStream inFile = new FileInputStream(in);
			FileOutputStream outFile = new FileOutputStream(out);
			byte[] buffer = new byte[10240];
			int i = 0;
			while ((i = inFile.read(buffer)) != -1) {
				outFile.write(buffer, 0, i);
			} // end while
			inFile.close();
			outFile.close();
		} // end try
		catch (Exception e) {

		} // end catch
	}// end copyFile
	
	public static List<String> getAllFile(String fileName){
		List<String> result = new ArrayList<String>();
		File file = new File(fileName);
		getFile(result, file);
		return result;
	}
	
	private static void getFile(List<String> result,File root){
		if(root.isDirectory()){
			File[] fileLists = root.listFiles();
			for (int i = 0; i < fileLists.length; i++) { // 循环遍历这个集合内容
                if (fileLists[i].isDirectory() && !fileLists[i].getName().startsWith(".") && !fileLists[i].getName().startsWith("WEB-INF")) {    //判断元素是不是一个目录
                	getFile(result,fileLists[i]);    //如果是目录，继续调用本方法来输出其子目录
                }
                else if(fileLists[i].isFile() && !fileLists[i].getName().startsWith(".") && !fileLists[i].getName().startsWith("WEB-INF")){
                	result.add(fileLists[i].getPath());
                }
            }

		}
	}
	public static boolean writeFileContent(String filepath,String newstr) throws IOException{
        Boolean bool = false;
        String filein = newstr+"\r\n";//新写入的行，换行
        String temp  = "";
        
        FileInputStream fis = null;
        InputStreamReader isr = null;
        BufferedReader br = null;
        FileOutputStream fos  = null;
        PrintWriter pw = null;
        try {
            File file = new File(filepath);//文件路径(包括文件名称)
            //将文件读入输入流
            fis = new FileInputStream(file);
            isr = new InputStreamReader(fis);
            br = new BufferedReader(isr);
            StringBuffer buffer = new StringBuffer();
            
            //文件原有内容
            for(int i=0;(temp =br.readLine())!=null;i++){
                buffer.append(temp);
                // 行与行之间的分隔符 相当于“\n”
                buffer = buffer.append(System.getProperty("line.separator"));
            }
            buffer.append(filein);
            
            fos = new FileOutputStream(file);
            pw = new PrintWriter(fos);
            pw.write(buffer.toString().toCharArray());
            pw.flush();
            bool = true;
        } catch (Exception e) {
            // TODO: handle exception
            e.printStackTrace();
        }finally {
            //不要忘记关闭
            if (pw != null) {
                pw.close();
            }
            if (fos != null) {
                fos.close();
            }
            if (br != null) {
                br.close();
            }
            if (isr != null) {
                isr.close();
            }
            if (fis != null) {
                fis.close();
            }
        }
        return bool;
    }

}